package oop01;

/**
 * @author Mark
 * @version 1.0
 * @date 2020/5/16 19:32
 * @description 用户类
 */
class User {

    String name;

    Integer age;

    void say() {
        System.out.println("say hello");
    }

    void study() {
        System.out.println("say shout");
    }
}

